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ByteDance Seed: Seed-2.0-Lite vs Qwen: Qwen3.5-27B

Summary

Seed-2.0-Lite vs Qwen3.5-27B benchmark comparison: Seed-2.0-Lite leads on average score with 6.2 vs 5.9. Qwen3.5-27B has the lower benchmark cost at $0.015 vs $0.019. Qwen3.5-27B is faster at 1.68s vs 2.49s, with pass rates of 46.0% vs 38.1%.

Recommended model: Seed-2.0-Lite - It has the strongest score in this comparison (6.2) and the best overall balance of cost and response time across all 2 models.

Last updated at: 2026-07-10

Metric Seed-2.0-Lite Seed-2.0-Lite none Release: 2026-02-14 Qwen3.5-27B Qwen3.5-27B none Release: 2026-02-24
Score 6.2 5.9
Rank #107 #121
Reliability 10.0 10.0
Consistency 8.4 9.3
Tests Correct
Attempt pass rate 46.0% 38.1%
Flaky tests 4 2
Total Runs 63 63
Cost per result 0.228 0.249
Total Cost $0.019 $0.015
Input Price $0.250 / 1M $0.195 / 1M
Output Price $2.000 / 1M $1.560 / 1M
Total Input Tokens 46,573 44,478
Output Tokens 3,259 3,592
Reasoning Tokens 0 0
Response Time (avg) 2.49s 1.68s
Response Time (max) 6.70s 9.39s
Response Time (total) 52.26s 35.25s

Generation showcase

Hamster playing table tennis

Prompt: Create a detailed SVG illustration of a hamster playing table tennis.

#107 Seed-2.0-Lite

none
Cost
$0.005
Time
83.8s
Tokens
2,311 tok

#121 Qwen3.5-27B

none
Cost
$0.007
Time
42.9s
Tokens
4,273 tok

Top Models by Score

Score vs Total Cost

Response Time (avg)

Score vs Response Time (avg)

Total Output Tokens

Score vs Total Output Tokens

Category Breakdown

Anti-AI Tricks Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Seed-2.0-Lite 3.0 5.9 16.7% 2 2.43s 894 709 0
Qwen3.5-27B 4.8 10.0 25.0% 0 788ms 696 267 0
Coding Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Seed-2.0-Lite 5.6 10.0 33.3% 0 2.83s 8,215 410 0
Qwen3.5-27B 5.8 10.0 33.3% 0 1.80s 7,913 415 0
Combined Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Seed-2.0-Lite 3.0 10.0 0.0% 0 6.59s 16,215 498 0
Qwen3.5-27B 2.8 1.6 33.3% 1 9.39s 16,918 1,461 0
Data parsing and extraction Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Seed-2.0-Lite 10.0 10.0 100.0% 0 1.82s 8,538 246 0
Qwen3.5-27B 10.0 10.0 100.0% 0 1.43s 7,794 243 0
Domain specific Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Seed-2.0-Lite 3.6 7.2 22.2% 1 1.33s 939 17 0
Qwen3.5-27B 3.0 10.0 0.0% 0 540ms 789 15 0
General Intelligence Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Seed-2.0-Lite 10.0 10.0 100.0% 0 3.45s 570 294 0
Qwen3.5-27B 5.0 10.0 0.0% 0 2.51s 522 126 0
Instructions following Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Seed-2.0-Lite 10.0 10.0 100.0% 0 1.06s 810 73 0
Qwen3.5-27B 6.3 10.0 50.0% 0 1.03s 711 69 0
Puzzle Solving Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Seed-2.0-Lite 5.3 7.2 44.4% 1 2.78s 858 709 0
Qwen3.5-27B 6.7 7.9 55.6% 1 1.38s 714 683 0
Tool Calling Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Seed-2.0-Lite 10.0 10.0 100.0% 0 3.94s 9,270 292 0
Qwen3.5-27B 10.0 10.0 100.0% 0 3.54s 8,211 303 0
Trivia Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Seed-2.0-Lite 3.0 10.0 0.0% 0 1.96s 264 11 0
Qwen3.5-27B 3.0 10.0 0.0% 0 599ms 210 10 0

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